Specialises
vi. 专门从事, 专攻（specialise的第三人称单数形式）
🗣️ 情景例句
I think I'll wait until tomorrow.
我想我就等明天再谈。
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。